Question

The sum of the coefficients in the expansion of (1+x)¹⁵ is :

• A. 3¹⁵
• B. 2¹⁵
• C. 2⁵
• D. 3⁵

Answer 1

Answer:

B. 2¹⁵

the sum of coefficients of binomial expansion $(x+1)^n is 2^n$

$n=15$

$2^n=2^{15}$